@book{61492,
	author = {Angelstam, Per. and ebrary, Inc.},
	title = {Targets and tools for the maintenance of forest biodiversity},
	publisher = {Blackwell Science,},
	year = {c2004.},
	series = {Ecological bulletins ;},
	address = {Oxford :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10307901}
}